Manufacturers of screws and barrels for injection molding and extrusion equipment will feature a variety of new products and new designs at NPE 1997.
Advanced Technologies Worldwide Inc. (Booth E10923): New Hopscotch mixing screw for injection and extrusion feedscrews features increased output and plastification with little shear.
Flite Technology Inc. (Booth S642): New inspection process based on National Aeronautics and Space Administration technology for nondestructive surface and volumetric testing of feed screws and barrels.
General Plastex Corp. (Booth E11728): New ceramic-lined barrels increase barrel life under severe conditions. New GenTex mixing screw improves dispersion in injection molding and extrusion.
Great Lakes Feedscrews Inc. (Booth S967): New feed-screw design features radically new geometry that delivers three times the melting rate per revolution of other screw designs. New whirling technology for screw designs not possible in conventional milling methods. Standard melt-train products, such as Barr ET feed-screw, valves and bimetallic barrels.
Royal Feed Screws Inc. (Booth N5592): New mixing designs on feed screws.
Spirex Corp. (Booths S2711, S2907): New products include Spirex V Mixer screw design, Spirex interlocking valve design, tungsten carbide screw and software for work orders and preventive maintenance.
Wall Colmonoy Corp. (Booth E9516): New Colmonoy 86 nickel-chromium-molybdenum alloy in powder or rod form for hard-surfacing extrusion screws to extend feed-screw life.
Windsor Feedscrews Inc. (Booth E8345): Profile whirling and milling machine capable of fast mixing screw production and special screw designs. Weingartner seven-axis modular lathe. Universal computer numerically controlled/digitally numerically con- trolled machine.
Wisconsin Bimetallic Corp. (Booth N4573): New twin-screw extruder bimetallic barrels. Large (160 millimeter) bimetallic barrels for injection molding.
Xaloy Inc. (Booths S1423, S1523): New shut-off nozzle designs for better reliability and control. X-8000 encapsulated screw with metallurgically bonded wear protection. Firm's expanded production capacity ensures faster delivery.